amargo

adj. bitter

n. bitterness, sourness, acridness

v. sour, embitter

adj. bitter, sour, acid; salt

v. bitter, embitter

= bitter, sour.
Ex: A number of respondents to the study expressed themselves in bitter terms at the lack of readiness to support programmes which are attempting to encourage the transfer of technological innovation to information applications.
Ex: Throughout the book, the young are viewed with sour realism.
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* experiencia amarga = bitter experience.
* naranja amarga = sour orange.
* verdad amarga = home truth.
* victoria amarga = sour victory.

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* amargarse = go + sour, turn + sour, sour.